Touch Gesture Input for Special Characters on Touchscreens
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Solution Overview
Problem
Current touch screen systems require users to switch between keyboards to enter special characters, which can be inconvenient and disrupt the flow of input.
Innovation Solution
Implementing a method where users can enter special characters by performing specific touch gestures on the touch screen, allowing characters like question marks, diacritical marks, and other symbols to be drawn directly within the text input area without switching keyboards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users switch between keyboards to enter special characters, then character input capability is provided, but user convenience deteriorates and input flow is disrupted
Solution Approach 1:
The patent merges the special character input function directly into the primary keyboard interface by recognizing gestures (such as drawing a question mark shape) on the keyboard surface. This combines the regular character input and special character input into a single unified interface, eliminating the need to switch between different keyboards or input modes, thereby improving user convenience while reducing operational complexity
2Productivity
If dedicated keyboard for special characters is provided, then character input capability is improved, but time to enter special characters increases
Solution Approach 1:
The patent implements preliminary action by pre-configuring gesture recognition patterns (such as drawing specific shapes like question marks, asterisks, or other symbol forms) on the keyboard surface. When users perform these gestures, the system immediately recognizes and inserts the corresponding special character without requiring any additional steps, keyboard switching, or mode changes, thereby eliminating time loss and improving input productivity
Data Source
AI summary
In one embodiment, a method includes displaying a keyboard on a touch-screen of a computing device; in response to a touch gesture within a display area of the touch-screen, the touch gesture comprising one or more paths that comprise two or more points on the touch-screen, determining a particular one of a plurality of characters corresponding to the touch gesture; and entering the particular one of the characters as user input to the computing device.